
.box{
  width: 100%;
  height: 100%;
  display: flex;
}

.box li{
  height: 40px;
  line-height: 40px;
  text-align: center;
}

.menu-box{
  width: 200px;
  height: 100%;
  background-color: #ededed;
}

.main-box{
  width: calc(100% - 200px);
  height: 100%;
  
}
